Detailed comparison and review of JBL Free II and Poly SupraPlus SDS 1031-15. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | JBL Free II | Poly SupraPlus SDS 1031-15 |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | Headset | |
|---|---|---|---|
| Weight | 4.8 g | - | |
| Dimensions & Weight Details | Earphone: 4.8 g Charging case: 52 g |
- | |
| Colour | Black | White | - | |
| Protection | Splashproof, IPX4 | - | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | JBL Free II | Poly SupraPlus SDS 1031-15 |
|---|
| Headphones Form Factor | In-ear | - | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Connectivity Technology | Wireless | - | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 5.0 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 20 - 20000 Hz | - | |
| Sensitivity | 100 dB | - | |
| Impedance | 16 Ohm | - | |
| Max Sound Pressure | 95 dB | - | |
| Diaphragm | 5.6 mm | - |
| MICROPHONE | JBL Free II | Poly SupraPlus SDS 1031-15 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Sensitivity | -38 dBV/Pascal | - |
| REMOTE CONTROL | JBL Free II | Poly SupraPlus SDS 1031-15 |
|---|
| Controls | - | Push to Talk (PTT) |
|---|
| CABLE | JBL Free II | Poly SupraPlus SDS 1031-15 |
|---|
| Cable Type | USB-C charge cable | Quick Disconnect to LEMO FFP.2S.310 cable |
|---|
| FEATURES | JBL Free II | Poly SupraPlus SDS 1031-15 |
|---|
| Features | Touch control | - |
|---|
| BATTERY AND CHARGING | JBL Free II | Poly SupraPlus SDS 1031-15 |
|---|
| Battery Type | 2 x headphone battery rechargeable - Lithium Ion | - | |
|---|---|---|---|
| Battery Capacity | 55 mAh | - | |
| Battery Life | 6 hour(s) | - | |
| Battery Life Details | (with included charging case): up to 24 hours | - | |
| Charging Time | 2 hour(s) | - | |
| Included Qty | 2 | - |
| OTHERS | JBL Free II | Poly SupraPlus SDS 1031-15 |
|---|
| Included Accessories | 3 pairs of ear tips (small, medium, large), charging case (650 mAh) | - | |
|---|---|---|---|
| TAA Compliant | - | Yes |
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